Cron Expression: 0 3 * * *

Every day at 03:00 (3 AM).

Field Breakdown

FieldValue
Minute0
Hour3
Day of Month*
Month*
Day of Week*

Common Use Case

Database VACUUM, log rotation, certificate renewals.

Sample Fire Times (UTC)

WhenUnix Timestamp
2026-05-06 03:001778036400
2026-05-07 03:001778122800
2026-05-08 03:001778209200
2026-05-09 03:001778295600
2026-05-10 03:001778382000

Sample times computed at build; your scheduler will fire on its own clock.

Equivalents in Popular Schedulers

crontab (Linux/macOS)

0 3 * * * /path/to/your/script.sh

GitHub Actions (.github/workflows/*.yml)

on:
  schedule:
    - cron: '0 3 * * *'

AWS EventBridge (cron format)

cron(0 3 * * *)    # Note: AWS uses 6 fields with year

Kubernetes CronJob

spec:
  schedule: "0 3 * * *"

Other Common Cron Expressions

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